00273nam a2200109 a 450000500170000002000150001708200220003210000270005424500210008126000440010230000170014620251203091715.0  a8185938059  a581.8761,bD, kum  aKumar H.D., H.N. Singh  aPlant metabolism  aDelhibAffiliated East-West Pressc1993  ax,314p, 24cm